<?php
    $arr=[1,5,10];
    $v=0;
    for($i=count($arr);$i>=0;$i--){
        echo @$arr[$i]."<br>"; 
    }

?>



<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
</body>
</html>